US3075013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsymmetrically substituted oxamidines and method of preparation
Assignee: Wyeth Holdings LLC
•
Filing: 1960-05-18
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Granted: 1963-01-22
•
Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 Haldeman Robert George
- 👤 Morin Lucille Theresa
- 👤 Matsuda Ken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:22
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
UNSYMMETRICALLY SUBSTITUTED OXALIMIDIC ACID 2,2-DIMETHYLDIHYDRAZIDE REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
10 words
UNSYMMETRICALLY SUBSTITUTED OXALIMIDIC ACID 2,2-DIMETHYLDIHYDRAZIDE REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |